Home / 247,788.40-371,682.60-70,301.20

Finding the Fourth Proportional to 247,788.40, 371,682.60 and 70,301.20

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Solution

The fourth proportional to 247,788.40, 371,682.60 and 70,301.20 is: 105,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,788.40 : 371,682.60 = 70,301.20 : x
  2. Step 2: Convert to fraction form
    247,788.40/371,682.60 = 70,301.20/x
  3. Step 3: Cross multiply
    247,788.40x = 371,682.60 × 70,301.20
  4. Step 4: Simplify right side
    247,788.40x = 26,129,732,799.12
  5. Step 5: Solve for x
    x = 26,129,732,799.12/247,788.40
  6. Step 6: Final answer
    x = 105,451.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.